Revealing mistake: At the very beginning of most episodes of Series 1, during the pre-credit scene, either Paul or both of the brothers can be seen waiting for their cue. It usually lasts between one and three seconds.
Chucklevision (1987)
1 revealing mistake in Season 1 generally - chronological order
Starring: Barry Chuckle, Brian Patton, Jimmy Patton, Paul Chuckle
Visible crew/equipment: Series 19, "Pandamonium": When Paul and Barry are trying to find the panda, Barry (dressed in a panda costume) thinks he is looking at his own reflection. You can see the camera and cameraman reflected in the mirrors, and you can also see people watching the scene being filmed.
More trivia for Chucklevision